This is a new A4C-550 TWIN fin that is made from a combination of fiberglass and G10. The G10 is there to strengthen the base, which in this case is DUAL TAB!
After making this set of fins we decided to post it as it is a great example of how good a hybrid fiberglass/G10 fin can look, and it makes a huge difference when the bases are DUAL TAB. The G10 adds a lot of additional strength to the tabs.
These fins are made out of a combination of a 1/4" CLEAR FIBERGLASS panel and 1/8" G10 panel.
These fins are also being showcased on this sites main banner.